2 keyways
A shaft having two or more different diameters (greater than 0.031 inches (0.79 millimeter)) along its length. It must have one or more of the following conditions: a specified surface finish designation in the range 1 to 125 microinches (0.025 to 3.2 micrometers) arithmetical average (aa), machined peripheral flat(s), circular groove(s), keyway(s), splines, threads, or holes. The ends and/or shoulders may be machined to accommodate bearings, couplings, and the like. It is not designed for use in aligning by fitting into corresponding holes of another item. For items used to support rotating members see axle(1), shouldered. For items not having any of the above conditions see pin, shoulder, headless. Excludes shaft(1), straight; and axle(1), straight.
Classification: Transmission shafts and cranks, except camshafts and crankshafts
NSN 6105-01-449-2375
NSN 6105-01-172-3200
NSN 6130-00-647-3829
NSN 6110-01-606-1647
NSN 6320-00-586-5641
NSN 2925-01-496-1068
NSN 5920-00-584-4592
NSN 5895-00-134-1591
NSN 6130-01-605-7702
NSN 6110-01-511-2403
NSN 6135-00-497-0491
NSN 5930-01-614-4845